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Vulnerability record · CVE-2026-89553 · published 11 September 2026

CVE-2026-89553: In the Linux kernel, the following vulnerability has been resolved: nouveau/gem: reserve the bo in the info i…

In the Linux kernel, the following vulnerability has been resolved: nouveau/gem: reserve the bo in the info ioctl around the vma lookup In the non-uvmm path, there could be a race between the info lookup finding the vma, and the gem close path closing the vma leading to a use-after-free. Spotted with the help of Opus 4.6.

7.8 CVSS 3.1 High EPSS 0.17% · top 94.3% Received
7.8CVSS 3.1 base score
0.17%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
5References
14 Sep 2026Last modified by NVD

Description

In the Linux kernel, the following vulnerability has been resolved: nouveau/gem: reserve the bo in the info ioctl around the vma lookup In the non-uvmm path, there could be a race between the info lookup finding the vma, and the gem close path closing the vma leading to a use-after-free. Spotted with the help of Opus 4.6.

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References

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Source: NIST National Vulnerability Database (record CVE-2026-89553), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.